package com.atguigu.tingshu.album.api;

import com.atguigu.tingshu.album.config.MinioConstantProperties;
import com.atguigu.tingshu.common.result.Result;
import io.minio.BucketExistsArgs;
import io.minio.MakeBucketArgs;
import io.minio.MinioClient;
import io.minio.PutObjectArgs;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.util.UUID;

@Tag(name = "上传管理接口")
@RestController
@RequestMapping("api/album")
public class FileUploadApiController {

    @Autowired
    private MinioConstantProperties minioConstantProperties;

    @Operation(summary = "文件上传")
    @PostMapping("/fileUpload")
    public Result fileUpload(MultipartFile file) {
        //  返回数据的时候,返回值：文件上传之后的地址:url；
        String url = "";
        //  调用 minio 的上传API！
        try {
            // Create a minioClient with the MinIO server playground, its access key and secret key.
            MinioClient minioClient =
                    MinioClient.builder()
                            .endpoint(minioConstantProperties.getEndpointUrl())
                            .credentials(minioConstantProperties.getAccessKey(), minioConstantProperties.getSecreKey())
                            .build();

            // Make 'asiatrip' bucket if not exist.
            boolean found =
                    minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioConstantProperties.getBucketName()).build());
            if (!found) {
                // Make a new bucket called 'asiatrip'.
                minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioConstantProperties.getBucketName()).build());
            } else {
                System.out.println("Bucket " + minioConstantProperties.getBucketName() + " already exists.");
            }

            //  String name = atguigu.jpg indexOf lastIndoxOf substring equals compareTo trim replaceAll split
            String myFileName = UUID.randomUUID().toString().replaceAll("-", "") + file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
            System.out.println("fileName:\t" + myFileName);
            // Upload known sized input stream.
            minioClient.putObject(
                    PutObjectArgs.builder().bucket(minioConstantProperties.getBucketName()).object(myFileName).stream(
                                    file.getInputStream(), file.getSize(), -1)
                            .contentType(file.getContentType())
                            .build());
            //  返回数据url 没有赋值; url/bucketName/fileName
            //  http://192.168.200.130:9000
            url = minioConstantProperties.getEndpointUrl() + "/" + minioConstantProperties.getBucketName() + "/" + myFileName;
            System.out.println("url:\t" + url);
        } catch (Exception e) {
            System.out.println("Error occurred: " + e);
        }
        //  返回数据；
        return Result.ok(url);
    }

}
